<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<canvas id="canvas"></canvas>
<style type="text/css">
    body {
        margin: 0;
        padding: 0;
        overflow: hidden;
    }
</style>
<script type="text/javascript">
    const canvas = document.getElementById('canvas');
    const ctx = canvas.getContext('2d');
    canvas.height = window.innerHeight;
    canvas.width = window.innerWidth;

    const fontSize = 24;
    const drops = new Array();
    for (let x = 0; x < canvas.width / fontSize; x++) {
        drops[x] = 1;
    }

    function draw() {
        ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
        ctx.fillRect(0, 0, canvas.width, canvas.height);
        ctx.fillStyle = '#0F0';
        ctx.font = fontSize + 'px arial';
        for (let i = 0; i < drops.length; i++) {
            const text = String.fromCharCode(random(0, 6000, true));
            ctx.fillText(text, i * fontSize, drops[i] * fontSize);
            if (drops[i] * fontSize > canvas.height || Math.random() > 0.95) {
                drops[i] = 0;
            }
            drops[i]++;
        }
    }

    function random(min, max, isInteger) {
        const number = Math.random() * (max - min) + min;
        return isInteger ? Math.floor(number) : number;
    }

    setInterval(draw, 67);
</script>
</body>
</html>
